Hypotension, renal impairment, electrolytes & metabolic disorders, pain (including back & abdominal), dyspepsia, erythema, vomiting, bronchitis, pharyngitis, fetal toxicity. Telmisartan: Impotence, increased sweating, flushing; allergy, fever, leg pain, malaise, chest pain; palpitation, dependent edema, angina pectoris, leg edema, abnormal ECG, HTN, peripheral edema; insomnia, somnolence, migraine, paresthesia, involuntary muscle contractions, hypoaesthesia; flatulence, constipation, gastritis, dry mouth, hemorrhoids, gastroesophageal reflux, toothache; gout, hypercholesterolemia, DM; arthritis, arthralgia, leg cramps, myalgia; anxiety, depression, nervousness; infection, fungal infection, abscess, otitis media; asthma, rhinitis, dyspnea, epistaxis; dermatitis, eczema, pruritus; micturition frequency, cystitis; abnormal vision, conjunctivitis, tinnitus, earache. Hydrochlorothiazide: Weakness; pancreatitis, jaundice (intrahepatic cholestatic jaundice), sialadenitis, cramping, gastric irritation; aplastic anemia, agranulocytosis, leukopenia, hemolytic anemia, thrombocytopenia; purpura, photosensitivity, urticaria, necrotizing angiitis (vasculitis & cutaneous vasculitis), fever, resp distress including pneumonitis & pulmonary edema, anaphylactic reactions; hyperglycemia, glycosuria, hyperuricemia; muscle spasm; restlessness; renal failure, renal dysfunction, interstitial nephritis; erythema multiforme including SJS, exfoliative dermatitis including TEN; transient blurred vision, xanthopsia.