Quibron T sr3 300mg tablet

Quibron-T/SR 300 mg is an oral drug that contains theophylline, which is a bronchodilator. It helps relax and open up the breathing passages in the lungs to make breathing easy for people suffering from asthma, chronic bronchitis, and emphysema (COPD).Dosage & DirectionsDosageDirections: It should be consumed in regular intervals to prevent wheezing and difficulty breathing. Here, “SR” is the acronym for sustained-release, meaning that the drug will be released gradually into the body.Adult DosageThe standard dose is 175 mg to 350 mg, twice a day, exactly as directed by your physician.Notice: This medication tablet should never be chewed or crushed. Side Effects & CautionAs the drug theophylline has a narrow therapeutic range, proper dosage should be followed while consuming the medicine to avoid toxicity.Common side effects: Nausea, vomiting, headaches, insomnia, or fast heart rate.Severe side effects (Get emergency medical help immediately): Seizures, severe chest pain, continuous vomiting, or an abnormal heartbeat.