Do not use if reason for hair loss is unknown. Do not use if patient has no family history of hair loss; sudden &/or patchy hair loss; red, inflamed, infected, irritated or painful scalp. Discontinue use in case of chest pain, rapid heartbeat, faintness, or dizziness; sudden unexplained wt gain; swollen hands or feet; continued or worsened scalp redness or irritation; no visible hair regrowth w/in 4 mth. Do not use concomitantly w/ other topical scalp prescription products. Do not use in childn <18 yr.