Our study confirms that melasma is common among pregnant women in Tehran, Iran. They had a low level of awareness of the etiology of melasma. There is a need for educational programs on the etiology and prevention of melasma in Iranian women.

ADRs are common among hospitalized patients in department of internal medicine and can be severe and even lethal. Since most ADRs occurred during hospitalization in studied patients and half of them were preventable, prevention strategies should be considered in hospitals. Also, our findings confirmed the role of hospital pharmacists in the reducing ADRs.

Ocular involvements in a number of patients progress toward a severe, rapid onset form of keratitis. Progressive deterioration of respiratory tract leads to "mustard lung". Skin problems continue as chronic frustrating pruritus on old scars with susceptibility to skin cancers. Due to the multiple acute and chronic morbidities created by SM exposure, uses of multiple drugs by several routes of administrations are warranted.

No abstract