Drug and external factors reported to cause acne/acneiform eruptions
| Hormones and steroids | External factors |
|---|---|
| Androgens | Cosmetics |
| Anabolic steroids | Pomades |
| Oral and topical steroids | Machine oils and tars |
| Gonadotropins | Mechanical trauma, e.g. head bands |
| Epileptic drugs | |
| Phenobarbital | |
| Phenytoin | |
| Antituberculous drugs | |
| Isoniazid | |
| Rifampicin |