Ranitidine hydrochloride capsules are taken before meals. Ranitidine Hydrochloride is used to relieve stomach pain, heartburn sensation (heartburn), and acid reflux caused by excess stomach acid. Ranitidine hydrochloride should be taken early in the morning or before bedtime, when there is basically no food in the gastrointestinal tract and it should be in a fasting state, so Ranitidine is recommended to be taken on an empty stomach. Ranitidine hydrochloride is commonly associated with nausea, headache, dizziness, fatigue, rash, constipation, etc. A few patients with mild hepatic impairment caused by the drug, the symptoms disappeared after discontinuation of the drug, and liver function returned to normal. Ranitidine hydrochloride is contraindicated in pregnant and lactating women and children under 8 years old. Continuous use should not exceed seven days. If symptoms are not relieved, please go to hospital for further treatment. Use with caution in elderly patients and patients with hepatic or renal insufficiency. In case of overdose or serious adverse reactions, seek immediate medical attention. Drug interactions may occur if used concurrently with other drugs, please consult your physician or pharmacist for details. Ranitidine hydrochloride is a prescription drug and is recommended to be taken in accordance with medical advice.