Rogaine is a topical, over-the-counter medical treatment to help people grow hair in balding or thinning areas on the scalp. Although Rogaine may take several months to start regrowing hair, certain side effects from using the ointment may occur within minutes of using the drug. Other side effects, such as unwanted hair growth, may take months to manifest. Consider these facts from Drugs.com about the side effects of Rogaine.
Decreased Blood Pressure
The active ingredient in Rogaine dilates the blood vessels, which can cause your blood pressure to unexpectedly decrease within 30 minutes of using the solution.
If the Rogaine solution gets into or around your eyes, you may have irritation or burning that can be relived by flushing your eyes with water.
Rogaine may cause side effects such as burning, irritation and itching on the scalp where the solution was applied.
Excessive Hair Growth
Excessive hair growth is a side effect of Rogaine that may occur in areas where you do not want more hair, such as the back or chest.
Dizziness, fainting or sudden development of a rapid heartbeat are serious side effects of Rogaine that require prompt medical treatment.
Swelling in the hands and feet and unexplained weight gain are side effects of Rogaine that are not common and should be evaluated by a physician.
Rogaine may cause symptoms of an allergic reaction, such as an itchy rash, hives and shortness of breath. It may cause swelling of the face and tongue, which can be life-threatening emergencies.
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