As a histamine H1 receptor antagonist, antihistamine effect is more durable, mainly used in the treatment of skin allergies hives, eczema, dermatitis, drug rash, pruritus, neurodermatitis, insect bites, solar dermatitis, allergic rhinitis, drug and food allergies. So can chlorpheniramine maleate tablets be taken regularly? What do I need to pay attention to in the process of taking it? Chlorpheniramine maleate tablets in addition to a strong competitive blockade of the role of histamine H1 receptors on the target cells of the allergic reaction, through the antagonism of the H1 receptor to play an anti-allergic effect, but also has the effect of anti-M cholinergic receptors, so after taking the drug can appear dry mouth, constipation, sputum thickening, nasal mucous membrane dryness and other symptoms. In addition, the drug also has a certain inhibition of the central role, so there can be sleepy after taking the drug adverse reactions. Thus, chlorpheniramine maleate tablets may appear after taking the drug adverse reactions drowsiness, thirst, polyuria, sore throat, drowsiness, feeling of weakness, palpitations, skin ecchymosis, bleeding tendency. So chlorpheniramine maleate tablets are not recommended for long-term use. At the same time in the use should also pay attention to the following content: 1, to chlorpheniramine maleate tablets allergy is prohibited. 2, the elderly more sensitive should be appropriate to reduce the amount. 3, newborns, pregnant women, lactating women, bladder neck obstruction, pyloroduodenal obstruction, hyperthyroidism, hypertension and prostate hypertrophy should be used with caution. 4, Workers at height, vehicle drivers, machinery operators are prohibited during working hours. 5, If overdose, or serious adverse reactions, please consult a doctor immediately. 6, If you are taking other drugs, please consult your physician or pharmacist before using chlorpheniramine maleate tablets. Kang Aiduo pharmacy reminds you: for your health, please follow the doctor's instructions to take medication on time and in accordance with the dosage.