HomeNursing questions Which of the followings is considered side effect of atropine.. Tachycardia Which of the followings is considered side effect of atropine: - Tachycardia*** - Diarrhea - Bradycardia - Constipation. Facebook Twitter Share:Which of the followings is considered side effect of atropine.. Tachycardia Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email