Skin reactions eg, urticaria, rash, erythema, pruritus, & other hypersensitivity; tachycardia; dizziness; dry mouth (inhibition of salivary secretion); dyshidrosis. Sugar-coated tab: Drowsiness; diarrhea, nausea, vomiting, stomach pain; inhibition of sweat secretion. Inj: Anaphylactic shock including fatal outcome, anaphylactic reactions, dyspnoea; accommodation disorders, mydriasis, increased ocular HTN; decreased BP, flushing; urinary retention.