Can minoxidil be used if it has been expired for over half a year?
May 15, 2023
Source: Cainiu Health
Dr. Liu Wan
Introduction
In general, minoxidil should not be used if it has been expired for more than six months. The shelf life of minoxidil tincture is usually 24 months. Expired minoxidil formulations may have reduced efficacy, uncertain therapeutic effects, and could potentially cause serious adverse reactions. When purchasing medication, carefully check the expiration date and possible adverse reactions to avoid using expired products.
Generally, minoxidil should not be used if it has been expired for more than six months. The detailed explanation is as follows:
Minoxidil is available in various formulations. Taking minoxidil tincture as an example, it is indicated for the treatment of male pattern baldness, alopecia areata, and similar conditions. Common adverse reactions include scalp irritation symptoms such as erythema and itching. This medication is contraindicated in individuals allergic to minoxidil or any other ingredient in the formulation. The typical shelf life of minoxidil tincture is 24 months. Expired minoxidil products may have reduced efficacy, uncertain therapeutic effects, and could potentially cause serious adverse reactions, such as contact dermatitis. When purchasing medications, carefully check the expiration date, indications, and potential adverse reactions to avoid using expired drugs. Expired medications are considered substandard products with unpredictable efficacy and may negatively affect health.
Therefore, patients using minoxidil should always confirm whether the medication is within its shelf life before use. Expired medications should be disposed of promptly and must not be used further.
