What problems come from minoxidil usage?

Minoxidil. If you are dealing with topical Minoxidil there can be: pruritus, skin irritation, contact dermatitis. With oral Minoxidil there can be: chf, stevens-johnson's, pericardial effusion, angina exacerbation, hypertichosis, edema, tachycardia, breast tenderness, weight gain, paresthesia, headache.