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How Long Does It Take for Terbinafine to Work on Skin?

Last week when I went hiking, my skin started getting itchy. With time, I noticed I caught some fungal infections around my shin bone.

I have consulted a dermatologist and he has prescribed me to topically apply terbinafine on the skin. But I have been observing that the progress is slow and taking longer than I expected.

So, how long does it take for terbinafine to work on skin?

Usually, it takes about a week or two from when you start. Unless you have any underlying condition on the go, by a week or so, you must be good as new.

Now after a week of applying for the medicine, I am restless and want to know how this can work fast on me. 

I bring an article to you about that. Stay tuned:

Table of Content

How Long Does It Take for Terbinafine to Work on Skin?

The terbinafine solution works pretty fast. By a week or two, your skin should start healing and must be good as new.

Terbinafine is a very minimal amount of interaction with other drugs. If it is not interacting with any food or drug component, it does not take more than usual time to start working effectively.


At the time of taking terbinafine, try to avoid caffeine-like substances like tea, coffee, energy drinks

Terbinafine also makes the skin temporarily sensitive. Exposure to sunlight and tanning beds can slow down the process of its action on the skin.

Now that you have the answer to your question, why not get to know some valid information about terbinafine. It will only help to consider and broaden the horizon about this particular drug.

All You Need to Know About Terbinafine

It’s always important to remain self-conscious about the drug you are using. Hence, take a quick glance at the following segment to get a brief idea about it. 

What is Terbinafine?

To begin with, let us get to know about what terbinafine is. Ever had episodes of recurrent fungal infections? 

Days when you have been itching yourself like no tomorrow? Every antihistamine failing? Moments like this are where terbinafine walks in.

Terbinafine is an anti-fungal drug that fights off fungal infections in the first line. 

It combats fungus in areas such as toes, fingers, legs, etc. It has an excellent ability to fight ringworm, fungal infections on the scalp, toe infections, etc. It also works as a great warrior to athlete’s toes.

Usually, terbinafine is available in granules form and as oral tablets. The Lamisil version is supposed to be used as a topical cream and applied externally. 

The tablet version of Lamisil is also quite famous but preferred to be given to adults only.

Terbinafine works by killing the causative fungus. The cell membrane is pierced and the cellular contents leak out, thus entirely killing the fungus at the cellular level. 

Moreover, it has a fantastic ability to stop the fungus from growing any further.

How to Use Terbinafine?

The oral dosage of terbinafine is 250 mg/day for an adult. In order to use it topically, ensure the designated area is clean and oil-free. 

Dry the already wet place if it is cleaned with water. Put two drops of the ointment and then spread it locally on the area. Try not to contact anything else after the application of the medicine. 

Let it dry. You may use it twice a day in the infected area with a pea-size amount. That should be enough.

What Does Terbinafine Heal?

Terbinafine is a very beginning grade drug, used for fighting fungal diseases. As mentioned before, it has fungicidal capabilities and works against a spectrum of diseases.

Terbinafine shows best results for the following diseases:

  • Fungal infections on the scalp for infants
  •  Ringworm in the body (Tinea corporis)
  • Ringworm in the scalp (Tinea capitis)
  • Athlete’s foot (Tinea pedis)
  • Jock itch (Tinea cruris)
  • Tinea versicolor
  • Cutaneous candidiasis
  • Tinea unguium (Onychomycosis)
  • Histoplasmosis
  • Blastomycosis
  • Oral thrush etc

Risk of Untreated Fungal Infections

Why is it important to have http://getzonedup.com medications like terbinafine? Here’s the logic.

Fungicidal medicines cover a broad and wide spectrum. According to the severity, the medicines are used on the basis of necessity. 

Untreated fungal infections are harmful and cause long-term pain in a person. Some other risks include:

  1. Spread

The main trouble with fungal infections is it spreads faster than anticipated. Without the interference of medicines like terbinafine, Lamisil, etc, the infection that you have on your foot, may also develop in your face!

  1. Weakens immune system

Patients with Tuberculosis, Cancer, AIDS are immunosuppressed. Their immune system does not function best when it comes to a fungal disorder. Under such circumstances, an untreated fungal infection will weaken their immune system further. 

It may also worsen the capability of the body to fight back the already existing health defects. 

  1. Permanent damage

Fungal infections when left untreated may proceed to necrosis or gangrene. These are extreme conditions that may lead to extreme steps like amputation of the limb. 

  1. Pain

Constant itching, pain, and a state of discomfort follow you around if you ignore your fungal infections.

  1. Deterioration

The worst that can happen is a further deterioration to the fungal infection followed by overall spread and organ damage.

Can You Use Terbinafine?

How long does terbinafine takes to work on skin is related to the health condition of the consumer as well?

Even though it is a very mild drug with almost the bare minimum of contradicting people. But be aware if you are of the following category. If you are, terbinafine may or may not work for you:

  • Systemic Erythematosus Lupus
  • Liver disease
  • Depression 
  • Drop-in neutrophil 
  • Liver function test with abnormal results

People falling to the above category can also own up some home remedies rather than suffering the discomfort of constant itching and uneasiness.

The enlisted ingredients work as a good itch and pain relief:

  • Garlic
  • Apple cider vinegar
  • Aloe vera
  • Turmeric
  • Grapefruit seed extract
  • Coconut oil
  • Powdered licorice
  • Soapy water

A good hygiene practice is helpful to prevent any kind of fungal infection. The cleaner you stay, the better your body remains. 

Side Effects

Hoping for terbinafine to work effectively, you must also look out if it has caused you any side effects. 

The common complaints are:

  • Superficial skin rash
  • Itching
  • Papules 
  • Headache 
  • Nausea
  • Diarrhea 
  • Small appetite 
  • Indigestion 
  • Stomach ache 
  • Muscle or joint pain etc

Alternatives of Terbinafine

Are you worried about your fungal infections? Are you wondering if terbinafine is the right medicine suggested to you? Are you having side effects from it?

As an alternative to Terbinafine, the following drugs are often prescribed against fungal infections:

  • Clotrimazole
  • Econazole
  • Ketoconazole
  • Miconazole
  • Fluconazole

Out of these Clotrimazole is the best anti-fungal overall. The powder and spray version of Lamisil or Terbinafine is also the very best in this form. Fluconazole is used to treat various fungal infections. Doctors often prescribe it for fungal infections. 

If you are comparing fluconazole with terbinafine, the latter is surely the winner. 

Even though Fluconazole works effectively against yeast infections like candida, terbinafine undoubtedly covers are a broader aspect of fungicidal activity.

Topically, terbinafine has a great potential to kill the fungus in the toes and fingers when applied. But fluconazole has shown remarkable changes in terms of oral dosage.

If you are weighing the side effects of both the drugs, Fluconazole weighs more than Terbinafine.

Change Your Habits

The best way to get rid of any sort of fungal infection is to ensure proper hygiene. Incorporate the following habits in your daily routine, then maybe you will not have recurrent infections of fungus.

  • Do not use a damp towel. 
  • Stay in a well-ventilated room.
  • Wear clean clothes every day.
  • Make sure your undergarments are cleaned thoroughly.
  • Keep out for ringworms
  • Try not to share clothes with others.
  • Take a hot water bath at least once a week.
  • Dust your home.
  • Skincare.
  • Have clean foods.


Question: Does Terbinafine cause skin peeling?

Answer: Any loosing of skin, peeling, redness, the rash is a medical emergency that should be dealt with in an utmost hurry. This indicates terbinafine has started to show off its side effects on you and you must be careful.

Question: Will my hair grow back after terbinafine?

Answer: Hopefully, by 6 months of application or ingestion, your hair will grow back like before if you had terbinafine for tinea capitis. This is a temporary problem and will not last lifelong.

Question: By when do terbinafine side effects start?

Answer: Typically, the side effects of terbinafine start off by the week of its application. Locally, you may observe some rashes, redness, and itching. On that note, you may temporarily stop applying it. And proceed to the next medicine in line.

Question: Terbinafine or Clotrimazole: Which is better?

Answer: Definitely Clotrimazole in oral form is better and lot effective than terbinafine. However, Lamisil is also a good medium to fight fungal infections topically that you can consider.


No need to worry about how long does terbinafine takes to work on skin. If you trust me, it has worked out quickly and fine for me. 

Even though I had been a bit skeptical with the slow progress and was considering if I should start with fluconazole, but after three weeks my infections got significantly better. 

Needless to mention, my habits were also improvised and got better. I developed a cleaned habit, food and maintain a lot hygienic environment than before.

Hoping you get the same feedback!

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