What could be the reason for vomiting less than a minute after taking medication?

Generally speaking, vomiting within one minute after taking medication may be related to drug irritation, psychological factors, drug allergy, gastrointestinal diseases, or reflux esophagitis. It is recommended to visit a hospital to determine the exact cause and follow medical advice for treatment. Detailed explanations are as follows:

1. Drug Irritation: Certain medications have an unpleasant taste or strongly irritate the gastrointestinal tract, such as aspirin and erythromycin, which may easily trigger a vomiting reflex, possibly accompanied by stomach discomfort or mild pain. Taking the medication after a meal or switching to a formulation with less gastrointestinal irritation may help alleviate this.

2. Psychological Factors: Negative emotions such as tension, anxiety, or fear regarding taking medication may affect gastrointestinal function, leading to vomiting after taking medication. This may be accompanied by emotional instability and insomnia. It is recommended that family members provide psychological support to relieve these negative emotions.

3. Drug Allergy: An allergic reaction to the ingredients in the medication may cause the body to react allergically, leading to vomiting along with symptoms such as rash, itching, and difficulty breathing. The medication should be stopped immediately, and under a doctor's guidance, medications such as cetirizine hydrochloride tablets, loratadine tablets, or cetirizine oral solution may be used to aid recovery.

4. Gastrointestinal Diseases: Patients with gastrointestinal conditions such as gastritis or gastric ulcers often have damaged gastric mucosa, making vomiting more likely after taking medication. Symptoms may include stomach pain, bloating, and acid reflux. Under a doctor's recommendation, patients may take medications such as omeprazole enteric-coated capsules, lansoprazole enteric-coated tablets, or aluminum magnesium carbonate chewable tablets to aid recovery.

5. Reflux Esophagitis: Patients with reflux esophagitis have a weakened mucosal defense barrier in the esophagus. Contents from the stomach and duodenum may reflux into the esophagus, irritating the esophageal mucosa, causing vomiting, and possibly accompanied by retrosternal pain and a burning sensation. Patients should promptly follow medical advice to take medications such as cisapride tablets, esomeprazole magnesium enteric-coated tablets, or rabeprazole sodium enteric-coated tablets for treatment.

During medication use, it is important to maintain a balanced diet, appropriately consume vitamins and proteins, and avoid spicy and irritating foods, which helps enhance immune function and promote overall health.