The most frequently encountered side effect of<unk>  is nausea (40.0%), which may be intolerable to some people. The use of anti-nausea medications (e.g. ondansetron) prior to administration of<unk>  may help to reduce the nausea. Other side effects may include flushing (20.3%), injection site reactions (13.2%), headache (11.3%), vomiting (4.8%), cough (3.3%), fatigue (3.2%), hot flushes (2.7%), paresthesia (2.6%), dizziness (2.2%), and nasal congestion (2.1%). Discoloration of the skin, specifically hyperpigmentation, may occur—especially if<unk>  is used more than eight times in one month. The discoloration may not resolve upon stopping use of<unk> , and may occur on the face, gums, or breasts. Experiments in animals, even at high doses, failed to find any negative consequence of<unk>  on fertility.
Bremelanotide
Rivastigmine
Carbidopa/levodopa
Tianeptine
Donepezil
Glysobuzole
Glybuzole
Fluorodopa