Kerasal® can help improve the appearance of the nail damaged by nail fungus by reducing discoloration, helping normalize thickness and hydrating brittle nails. It is important to know that a fungal nail infection can only be cured with a prescription treatment.

However, Kerasal® Fungal Nail Renewal™ and Kerasal® Multi-Purpose Nail Repair™ can improve the appearance of nails that are damaged by nail fungus. They both are formulated to hydrate the nail so it's less brittle, reduce discoloration and help normalize the thickness of the nail.

Kerasal has an average rating of 3.9 out of 10 from a total of 11 reviews on Drugs.com.

Over 90% of people saw a visible improvement after 8 weeks when used as directed. It is important to use for a minimum of 8 weeks as results will continue to improve with longer usage. Depending on severity of condition, 3 to 6 months of application may be needed to achieve full effect.

This study in Singapore looked at 68 patients over a 4-week period using Kerasal Fungal Nail Renewal. ​85% got better looking nails after four weeks. 65% of the group achieved this after the first week.

Possible side effects In addition to its desired action, this medication may cause some side effects, notably: it may cause dryness and peeling of the skin; it may cause local irritation.

This study in Singapore looked at 68 patients over a 4-week period using Kerasal Fungal Nail Renewal. ​85% got better looking nails after four weeks. 65% of the group achieved this after the first week.

Overdose can occur with long-term use or high doses if Kerasal is absorbed through the skin. Symptoms of a salicylic acid overdose may include severe dizziness or weakness, vomiting, diarrhea, rapid breathing, confusion, ringing in your ears, or hearing loss.

We recommend that you use the product no more than once daily. For best results, clean and dry your feet before using Kerasal Intensive Foot Repair Foot Masks.

Do not use Kerasal on skin that is red, swollen, infected, or oozing. This medication can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using Kerasal. Use Kerasal regularly to get the most benefit.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Stop using Kerasal and call your doctor at once if you have a serious side effect such as redness or severe skin irritation after applying the medication.

Do not use Kerasal on a child younger than 2 years old. This medication should not be used on a child or teenager who has a fever, especially if the child also has flu symptoms or chicken pox. Salicylates can cause a serious and sometimes fatal condition called Reye's syndrome in children.