Some minoxidil side effects are potentially serious and should be reported immediately to your healthcare provider. These include but are not limited to:
Swelling in the face, hands, legs, ankles, or feet; A sudden, unexplained ; Weight gain; Rapid heart rate; Problems breathing (especially when lying down); Chest pain, or pain radiating to the neck, arm, or shoulder area; Extreme dizziness, lightheadedness, or fainting; Feelings of tingling or numbness in the hands, feet, or face; An increase in hair loss that continues for longer than two weeks; Persistent or severe scalp irritation or redness;
Signs of an allergic reaction, such as: An unexplained rash; Hives; Itching; Swelling of the mouth or throat; Wheezing; Difficulty breathing.
The most common minoxidil side effects are local irritation to the application site (the scalp), including: A dry, flaky, and itchy scalp; A red, irritated scalp.
Additionally, some people may experience an increase in hair loss at the beginning of treatment. This is a temporary side effect that should resolve within a couple of weeks.
Unwanted facial hair growth may occur in some people who use this medication. Although this side effect is rare, it is more likely to occur in people who touch their face after applying the medication and in women who use minoxidil 5% products (which are approved for men only), instead of the 2% products.
Hope the info helps? Take care, best wishes!
- Minoxidil Information for Consumers
- Minoxidil Information for Healthcare Professionals (includes dosage details)
- Side Effects of Minoxidil (detailed)
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Posted 30 Aug 2009 • 2 answers
If minoxidil is applied in liquid form directly to scalp, can side effects be the same as for pills?
Posted 18 Sep 2009 • 1 answer
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