Topically applied<unk>  is generally well tolerated, but common side effects include itching of the eye, itching, redness or irritation at the treated area, and unwanted hair growth elsewhere on the body. Exacerbation of hair loss/alopecia has been reported. Other side effects may include rash, itching, difficulty breathing, swelling of the mouth, face, lips, or tongue, chest pain, dizziness, fainting, tachycardia, headache, sudden and unexplained weight gain, or swelling of the hands and feet. Rare side effects are erectile dysfunction, depression, anxiety, decreased libido, skin disorders. Temporary hair loss is a common side effect of<unk>  treatment, a process referred to as "shedding." Alcohol and propylene glycol present in some topical preparations may dry the scalp, resulting in dandruff and contact dermatitis. Cases of allergic reactions to<unk>  or the non-active ingredient propylene glycol, which is found in some topical<unk>  formulations, have been reported. Side effects of oral<unk>  may include swelling of the face and extremities, rapid heartbeat, or lightheadedness. Cardiac lesions, such as focal necrosis of the papillary muscle and subendocardial areas of the left ventricle, have been observed in laboratory animals treated with<unk> . Pseudoacromegaly is an extremely rare side effect reported with large doses of oral<unk> . In 2013 or 2014 a seven-year-old girl was admitted to a children's hospital in Toulouse in France after accidentally ingesting a teaspoon of Alopexy (a brand name for<unk>  in France). The child vomited constantly after ingestion and showed hypotension and tachycardia for 40 hours. The authors of the report on the incident stressed that the product should be kept out of reach of children, and urged manufacturers to consider more secure child-resistant packaging.<unk>  may cause hirsutism, although it is exceedingly rare and reversible by discontinuation of the drug.<unk>  is suspected to be highly toxic to cats, even in small doses, as there are reported cases of cats dying shortly after coming in contact with minimal amounts of the substance.
Minoxidil
Sodium nitroprusside
Nebivolol
Isosorbide dinitrate
Balsalazide
Atenolol
Nadolol
Captopril