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Oral Minoxidil for Hair Loss

Oral minoxidil is a hair loss medication prescribed to treat conditions like androgenetic alopecia, also known as female or male pattern hair loss.

Unlike the topical variation, low-dose oral minoxidil requires a prescription. It is only prescribed following a detailed consultation to assess if a patient is a suitable candidate for this off-label treatment.

To find out if oral minoxidil for your hairline is right for you, book a Zoom consultation with Dr Bonaros, a leading hair loss specialist and hair transplant surgeon in Glasgow.

Reviewed by Dr Epameinondas Bonaros

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Table of Contents

How Oral Minoxidil Works For Hair Loss

Oral minoxidil was originally developed to treat high blood pressure (hypertension). However, during the clinical trial period, researchers noted an unexpected side effect — hypertrichosis, or excessive hair growth.

While it’s not fully understood how minoxidil stimulates hair growth, the most common theory is that it
prolongs the anagen phase, also known as the ‘growth phase’ or ‘active phase’ in the hair growth cycle.

The results of this hair loss treatment vary among patients, but oral minoxidil tablets generally produce the following effects:

  • Slowed reduction of the hair follicle size
  • Vasodilation, thus improving circulation
  • Prolonged anagen phase
  • Increased nutrient-dense blood flow around hair follicles
  • Stimulated hair growth

Oral minoxidil effectively treats hair loss through decreased hair shedding and increased scalp hair growth. However, it’s important to note that oral minoxidil only slows down or stops the hair loss process. It doesn’t cure hair loss completely.

Using Oral Minoxidil for Hair Loss

Before deciding whether a minoxidil treatment for hair loss is right for you, there are a few factors to consider.

Finasteride for hair loss Side effects and dosage. Dr Bonaros hair transplant surgeon in Glasgow

Oral Minoxidil Dosage for Hair Loss 

Oral minoxidil is a tablet that is usually taken once or twice a day as an effective treatment for androgenetic alopecia (female or male pattern baldness). It can also be used for other hair loss conditions like telogen effluvium (excessive hair loss caused by several potential factors, including stress).

The dosage of your oral minoxidil tablets is specific to the current state of your hair loss condition. It also depends on your biological sex, as female patients generally receive lower doses compared to males.

  • When it comes to oral minoxidil dosage for male hair loss, the standard dosage ranges from 0.25 mg to 5 mg daily. 
  • For women with female pattern baldness, the recommended dosage ranges from 0.25 mg to 2.5 mg.

Oral Minoxidil Results

Hair loss conditions like traction alopecia (hair loss from tightly-pulled hairstyles) and male and female pattern hair loss can cause low self-esteem. At Dr Bonaros’ hair transplant clinic, our goal is to effectively treat hair loss with safe and reliable methods. 

That’s why we work closely with patients to ensure the correct dosage is given when prescribing oral minoxidil to treat hair disorders.

Patients prescribed oral minoxidil tablets can expect to see a significant increase in hair thickness, improved growth and global hair density.
Hairline transplant result

Oral Minoxidil Side Effects

There are several adverse effects to keep in mind before undergoing an oral minoxidil hair loss treatment. Oral minoxidil may cause the following side effects:

  • Initial temporary shedding: One of the first and most notable side effects at the start of oral minoxidil treatment. While this may cause concern, the hair shedding usually subsides after about four to six weeks.
  • Excess hair growth (hypertrichosis): On the face, arms, and other parts of the body. This can be especially prevalent with higher doses, but is manageable with hair removal methods. It is also the reason that topical minoxidil is the preferred starting treatment. 
  • Low blood pressure or feeling lightheaded: Minoxidil was created to treat pulmonary hypertension. Therefore, even at lower doses, those with regular blood pressure may be affected. 
  • Swelling in your legs: Also known as lower limb oedema, and is caused by your body retaining water and sodium. This fluid retention is sometimes accompanied by weight gain.
  • Tachycardia: Rapid increase in heart rate that surpasses 100 beats per minute. This is due to the automatic response of the body’s sympathetic nervous system to vasodilators like minoxidil.
  • Heart palpitations, dizziness, chest pain and tiredness.

Oral Minoxidil vs Topical Minoxidil

Topical minoxidil is commonly recognised and used in the treatment of hair loss conditions like androgenic alopecia and loose anagen syndrome. Low-dose minoxidil tablets have recently gained more attention as an alternative treatment.

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Minoxidil treatment

Advantages of Oral Minoxidil Doses Over Topical Therapy

Both oral and topical minoxidil are proven to be effective treatments for hair loss. However, there are several benefits of taking oral minoxidil instead of its topical counterpart. 

Key considerations include the following:

  • Effectiveness: Oral Minoxidil is more effective than topical minoxidil when prescribed appropriately. 
  • Convenience: It is more convenient to take an oral tablet. No need to wait for topical formulations to dry, which can potentially leave a residue on your scalp.
  • Cost-effective: Minoxidil tablets cost less than the topical formulation in the long term.
  • Medical Supervision: Since prescriptions are required for minoxidil tablets, your treatment can be closely overseen through regular checkups with a healthcare professional. This ensures safety and optimises results.
  • Flexibility: With a topical formulation, you need to wash your scalp before any perming or dyeing and cannot apply minoxidil for 24 hours before or after it takes place.
  • Freedom to apply topical products: You can cover up any patchiness or bald spots on the scalp. Being able to use these techniques in conjunction with your medication helps to improve the overall appearance of your hair.

For more information about using oral minoxidil tablets for hair loss, call our clinic on 07708 627966, or book a Zoom consultation with Dr Bonaros below.

Oral Minoxidil for Hair Loss — Frequently Asked Questions

Oral minoxidil tablets are a prescription-only medication, and you will be required to have a consultation with a doctor. They can assess if you are a suitable candidate before the prescription of oral minoxidil can be supplied.

During your initial medical assessment, it’s essential that you:

  • Mention all medications you are currently taking, as they could adversely interact with or impact the efficacy of your minoxidil oral therapy. Minoxidil was originally developed as an antihypertensive. If you have high blood pressure and are already taking medication to treat this, your blood pressure could be lowered to an unsafe level.
  • Make your doctor aware of any health conditions you have. Oral minoxidil tablets can sometimes cause a fast-paced heart rate. If you have underlying heart conditions like angina, minoxidil could increase your risk of cardiac issues and, therefore, may not be the right method for treating your hair loss.

If your doctor thinks minoxidil tablets are a viable treatment for your androgenetic alopecia or other hair loss disorders, you will receive a prescription. However, you will be required to have regular check-ups to monitor the treatment process and make note of any effects (both positive and negative) it has.

Oral minoxidil is usually only prescribed to healthy men and women who cannot tolerate or comply with topical minoxidil. An example of intolerance could be an allergic reaction to the propylene glycol present in minoxidil topical solution that causes scalp irritation and itchiness.

Lack of compliance, on the other hand, could refer to challenges faced by patients when applying the topical treatment. The recommended application process involves evenly applying (but not massaging) the minoxidil solution or foam to a dry scalp and leaving it to sit for at least four hours.

Patients with DUPA and Alopecia Areata

Patients with DUPA and Alopecia Areata

Oral minoxidil is also considered for men who are concerned about or have already experienced sexual side effects from finasteride. This oral therapy works by stopping testosterone from converting into dihydrotestosterone, the hormone responsible for preventing hair growth.

When properly prescribed, oral minoxidil is a safe and reliable treatment for hair loss. However, it is not recommended for people with an allergy to the medicine and those with a rare type of neuroendocrine tumour known as a pheochromocytoma.

In addition, oral minoxidil for hair loss is not recommended for elderly and pregnant patients, or candidates with high blood pressure, cardiovascular conditions such as heart failure or angina, or kidney disease.

Both oral and topical minoxidil can treat hair loss due to alopecia areata, an autoimmune disease that attacks hair follicles and results in hair loss. If the topical minoxidil does not have the desired effect or is not tolerated well, oral minoxidil may be a more effective medication for hair loss.

It is important to consult a doctor to determine the most effective and safe hair loss treatment for you. Oral minoxidil is not safe for pregnant individuals to consume. This is because minoxidil can be excreted into breast milk in very low concentrations; oral treatment is contraindicated during breastfeeding.

Minoxidil is officially recognised as a medication for hypertension. However, in terms of hair loss treatment, minoxidil in oral form is not licensed in the UK. 

Despite this, it is still safe to use under the guidance of a medical professional and is commonly prescribed off-label to combat several hair disorders, specifically male and female-patterned hair loss.

The hair-growth effects of oral minoxidil can take anywhere between 6 and 12 months to present. 

It is important to note that the effects of taking minoxidil orally are not permanent and that hair loss may continue once treatment stops. 

This is a result of your hair gradually returning to its previous growth cycle and takes place over three to four months after minoxidil discontinuation.

Yes, if you do not experience any potentially dangerous side effects, you will receive repeat prescriptions for these tablets, so that you can continue your treatment for hair loss with minoxidil.

The average oral minoxidil dose for hair loss starts at 0.25 mg and increases to a maximum of 5 mg. These amounts fall within the range of what is known as ‘low-dose’ oral minoxidil. This is because they are significantly lower than the doses prescribed for high blood pressure, which average between 5 mg and 40 mg per day, but have the capacity to go up to 100 mg.

Since such low doses of minoxidil are used to combat hair disorders, it is safe for patients to take this medication long-term. Once you have a prescription, you can easily buy oral minoxidil in the UK. Your oral minoxidil dosage will be monitored by a healthcare professional through regular checkups and may be adjusted if necessary.

Do you have a question about the minoxidil hair regrowth treatment that we haven’t answered?
Fill in our free Online Assessment Form for a tailored treatment plan from Dr Bonaros based on your unique hair condition.

Dr Bonaros:
Expert Hair Loss Specialist

Led by Dr Epameinondas Bonaros, our clinic specialises in hair restoration through FUE hair transplants and prescription medication. 

For a medication-based approach, Dr Bonaros can advise on a hair loss treatment with minoxidil (oral or topical), as well as other hair loss treatments like finasteride and dutasteride, or a combination therapy.

Dr Bonaros is a highly experienced hair transplant surgeon, serving as Scotland’s only International Society of Hair Restoration Surgery (ISHRS) member and as a full member of the British Association of Hair Restoration Surgery (BAHRS). 

Dr Epameinondas Bonaros hair transplant surgeon in Glasgow, Scotland

He holds diplomate status with the American Board of Hair Restoration Surgery (ABHRS). This ABHRS certification represents the only recognised board qualification in the specialised field of hair restoration.

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Dr Bonaros Glasgow Hair Transplant Clinic Reviews

Rated 5 out of 5
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Fabrizio Catinella
I recently went for an in-person appointment with Dr Bonaros. He is very professional, friendly and well informed.

Highly recommended.
Jackie Lambert
Dr Bonaros is an incredibly talent doctor in his field and has provided me with a wonderful hair transplant result. Finding information and pictures for female hair transplants was really hard. Hair is such a defining part of us all that is not realised until you start to lose your hair.
I suffered female pattern balding and hair thinning due to menopause and became very self conscious. I was worried about the treatment (as many on line photos looked so horrific), pain, recovery time, would it work, results etc. I also didn't want to lose more hair over the coming years, but also didn't want to have my head shaved at the back for the transplant.
Dr Bonaros answered all my questions and was such a knowledgeable and calming person that I knew he was the doctor for me and I was in safe hands.
On the day of the transplant, he and his team were amazing and so very kind and took great care of me. The aftercare and regular check ups were great.
I have just celebrated by first hair transplant birthday and the result are fantastic. I have consented for Dr Bonaros to share all of my journey photos with any other women out there contemplating this treatment. I cannot recommend highly enough. My hair is thicker and fuller and I even have a full fringe now.
Peter Walker
Can't thank the Dr and the team enough for such great work on my hair. It's been a year and I'm delighted with the results of my 4000 graft procedure.

The team were kind, professional and patient during the consultation stage. They answered all my questions and made me feel at ease.

During the operation every step was explained and the experience was made as comfortable as possible over the two days of my 4000 graft procedure. It's a morning of extractions from the donor area and an afternoon of inserting them into the recipient area with lunch provided. I brought some in-ear headphones for a podcast to pass the time and it does fly by. Dr Bonaros was present at all times performing the extractions and graft placement. They worked non-stop during this time.

The post operation care package you get home and the follow up emails and appointments to ask questions really made the whole post care process easy at what is a sensitive time.

Fully recovered and seeing the results, it's gave me a lot of confidence and looking back at old photographs I really do not regret having it done, I wish I did it sooner.

Really appreciate what the clinic has done for me. Thank you Dr Bonaros and Team!
graham jardine
Can’t thank dr Bonaros and the team enough,

I found them to be extremely professional, reassuring and kind.

I work an operating theatre environment so I guess I was a bit of a tough customer however I was very impressed with my hair transplant from first consultation to the operation itself.

I’m now 4 months out and have loads of hair growth, my confidence has been renewed massively and my only regret is not having the treatment sooner!

Thanks again

Kind regards

Graham
Response from the owner:Dear Graham, Thank you for your wonderful review of Dr Bonaros hair transplant clinic in Glasgow. We're delighted to hear that you found our team professional, reassuring, and kind throughout your experience. It means a lot coming from someone with your background in an operating theatre environment. We're thrilled that you're already seeing significant hair growth and that your confidence has been renewed. It's always rewarding to know our efforts have had such a positive impact. We appreciate your kind words and for entrusting us with your care. Kind regards, Dr Bonaros' Team
Cayden
I had a 2000 graft hair transplant with Dr Bonaros just over a year ago. It was painless, very easy on my part (I just had to lie in different positions and amuse myself) and Dr Bonaros and his team were super informative and happily answered all of my questions both during our initial consult and the procedure itself.

I was seen at 8:50am and we finished up I believe around 4pm, with an hour lunch break (the surgery provided a hot lunch, and were very accommodating with my dietary needs)

Aftercare was very well explained and I was given all the necessary equipment and care instructions for my recovery.

I had no complications during or after the transplant, and healing with a lot easier than I expected. Patience and time are the main factors for the months after your transplant.

I am over the moon with my results, I am so much more confident and my self-esteem has come on in leaps and bounds.

Thank you so much for giving me a new lease on life!
Response from the owner:Thank you so much for taking the time to share your experience at our hair transplant clinic in Glasgow. We're thrilled to hear that you had a painless and smooth procedure with Dr. Bonaros and his team. It's wonderful to know that you felt well-informed and cared for throughout your journey with us. We're delighted that you're happy with your results and that they have positively impacted your confidence and self-esteem. Thank you for choosing our clinic, and for your kind words. We're here for you if you need any further assistance. Warm regards, Dr Bonaros' Team
Brucr Petrie
Just reached the 1 year point of my transplant. I have to say i'm more than delighted with the results.Had a 2 day proceedure which went very smoothly.i was made to feel relaxed and reassured from start to finish.Dr benaros and Kat are so down to earth and totally proffesional. I am so happy to have chosen them and definitely made the right decision.i wouldnt hesitate to reccomend them .if your contemplating taking the plunge,go for it!you wont regret it.
Response from the owner:Thank you so much for sharing your experience! We're delighted to hear that you are more than satisfied with the results of your hair transplant at our Glasgow hair transplant clinic. At Dr Bonaros' Clinic, we aim to foster a welcoming and professional environment for all our patients, and your kind words genuinely affirm our dedication. We’re thrilled that you chose us for your hair restoration journey and that you feel you made the right decision. Thank you for your recommendation, and for those contemplating addressing their hair loss, we are here to help you take that step with confidence. Best regards, The Team at Dr. Bonaros' Clinic
Theodora Kotorou
I can’t recommend Dr Bonaros enough! After struggling with hair loss for years, I finally found a doctor who provided me with an efficient and cost-effective solution that truly worked. From the first consultation, he took the time to understand my concerns, explain all my options, and tailor a treatment plan that suited my needs.

The results have been incredible, and I feel more confident with my current hair situation. He is professional, welcoming, and always available for any follow-up questions. If you’re looking for a trustworthy and knowledgeable hair loss specialist, look no further than Dr Bonaros.

Would highly recommend to anyone dealing with hair loss. Thank you!
Response from the owner:Thank you very much for your lovely review! We’re delighted to hear about your positive experience at our Glasgow hair transplant and hair treatments clinic. Our aim is to provide efficient and affordable solutions for hair loss, and we’re pleased to know you’ve found a treatment plan that suits you. Your increased confidence is exactly why we do what we do. Dr. Bonaros and the entire team are dedicated to understanding each patient’s unique needs and making them feel welcome and supported throughout their hair restoration journey. If you have any more questions or need further assistance, please don’t hesitate to reach out. Thank you again for your kind words and recommendation. We're here to help anyone dealing with hair loss, and we appreciate your trust in us! Best wishes, The Team at Dr Bonaros' Clinic
carlo celindano
I had a hair transplant over 4 years ago with him and I'm still happy today he truly is amazing 🥳 if you are thinking of getting one please use him 🙏 he does the whole procedure from start to finish. If you do your research it has amazing reviews and the great profile. 3 of my friends have used him as well and they're very happy with the results 😁 please don't choose the cheapest price to get the procedure 🤦 just pay once and get it done properly. You really do get what you pay for with hair transplants. Thank you again for a life changing experience 😁
Response from the owner:Thank you so much for your kind review! We're thrilled to hear that you're still happy with your results and that your experience was life-changing. It's fantastic to know that you and your friends have had positive experiences with Dr Bonaros. At Dr Bonaros hair transplant clinic in Glasgow, we pride ourselves on providing comprehensive care from start to finish, ensuring that each procedure meets the highest standards of quality and patient satisfaction. If you ever have any questions or need further assistance, please don't hesitate to reach out. Thank you once again for your kind words and support.
Connor T
From the very beginning, the entire experience was fantastic. The staff were incredibly knowledgeable and explained every step of the process in great detail

The procedure was surprisingly comfortable, with minimal discomfort during and after the surgery. The recovery went well, and I was provided with clear instructions and a goody bag to take away to aid my recovery.

I highly recommend that everyone consult with Dr. Bonaro and his staff before making a final decision. You won't regret it!
Response from the owner:Thank you for taking the time to leave such a positive review! We’re delighted to hear about your good experience at our hair transplant clinic in Glasgow. It’s great that you found the procedure comfortable and our staff informative. Your recommendation is greatly appreciated. If you need further assistance, we’re here to help!
susan taylor
Visited Dr Bonaros regarding hair thinning. Found him to be very professional and had my best interests at heart. No hard sell or trying to sell unneeded products. If anyone needs advice regarding hair loss or hair thinning I cannot recommend this doctor enough.
Response from the owner:Thank you for your wonderful review! We're thrilled to hear that Dr. Bonaros provided professional care with your best interests in mind. At our hair transplant clinic in Glasgow, we pride ourselves on offering honest advice without any pressure. Your recommendation is greatly appreciated!