When facing anxiety, choose over-the-counter (OTC) drugs with caution, because many drugs may bring side effects or dependence risks. The following are some common OTC options and their precautions, but**It is strongly recommended to use under the guidance of a doctor or pharmacist**： ### Common over-the-counter options (need to be confirmed in accordance with local regulations)： 1. **antihistamines** (e.g. Diphenhydramine/Diphenhydramine) -**Effect**: It has a certain sedative effect and may temporarily relieve insomnia caused by anxiety, but it is not suitable for long-term use. -**Purchase channels**: pharmacies, supermarkets (some countries require pharmacist review). -**Risks**: Drowsiness, dry mouth, and long-term use may affect cognitive function. 2. **Natural supplements** -**Melatonin**: It is mainly used to regulate sleep and may be helpful for anxiety that accompanies insomnia. -**Chamomile, valerian root**: Some studies have shown that it may relieve mild anxiety, but the evidence is limited. -**L-theanine** (present in green tea): May promote relaxation. -**Purchase channels**: Health food stores, pharmacies, e-commerce platforms (pay attention to choosing regular brands). -**Risk**: The effect varies from person to person and may interact with drugs. 3. **Magnesium supplement** -**Effect**: Magnesium deficiency may be related to anxiety, but it needs to be tested to confirm the deficiency before supplementation. -**Risk**: Excessive use may cause diarrhea. ###️Important Notes： -**Non-drug priority**: Short-term relief of anxiety can be tried through deep breathing, mindfulness meditation, exercise, etc. -**Avoid dependence**: OTC drugs are mostly temporary assistance, and long-term anxiety requires professional assessment (such as psychological counseling or prescription drugs). -**Differences in regulations**: Different countries have different classifications of OTC drugs (for example, some countries require a prescription for melatonin), you need to check local regulations before purchasing. -**Side effects**: Any drug may cause allergies or adverse reactions. Read the instructions before use. ###️Suggest the next step： 1. **Consult a pharmacist**: Explain the symptoms for safer recommendations. 2. **Medical evaluation**: If anxiety persists or affects your life, contact your doctor in time. Mental health is as important as physical health, and professional support can provide more effective solutions.