Symax
Symax is an anticholinergic and antispasmodic medication. It works by decreasing the motion of the stomach and intestines and the secretion of digestive fluids, thereby relieving cramping and spasms.
Dosage by Body Weight
Adults: 0.125 mg to 0.25 mg orally or sublingually every 4 hours or as needed, up to a maximum of 1.5 mg per day. Pediatric dosage is weight-based and should be administered strictly under medical supervision, typically using oral drops (0.125 mg/mL).
- Body Weight
- Below 5 kg
- Dose
- 0.05 mL (approx. 3 drops of 0.125 mg/mL solution)
- Frequency
- Every 4 hours as needed
- Tracking Notes
- Must be prescribed and monitored by a healthcare professional. Do not exceed 6 doses in 24 hours.
- Body Weight
- 5-7 kg
- Dose
- 0.075 mL (approx. 4 drops of 0.125 mg/mL solution)
- Frequency
- Every 4 hours as needed
- Tracking Notes
- Do not exceed 6 doses in 24 hours. Use calibrated dropper.
- Body Weight
- 8-10 kg
- Dose
- 0.1 mL to 0.125 mL (approx. 5 to 6 drops of 0.125 mg/mL solution)
- Frequency
- Every 4 hours as needed
- Tracking Notes
- Do not exceed 6 doses in 24 hours.
- Body Weight
- 11-15 kg
- Dose
- 0.15 mL to 0.175 mL (approx. 7 to 8 drops of 0.125 mg/mL solution)
- Frequency
- Every 4 hours as needed
- Tracking Notes
- Do not exceed 6 doses in 24 hours.
- Body Weight
- 16-20 kg
- Dose
- 0.2 mL to 0.25 mL (approx. 10 to 12 drops of 0.125 mg/mL solution)
- Frequency
- Every 4 hours as needed
- Tracking Notes
- Do not exceed 6 doses in 24 hours.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Below 5 kg | 0.05 mL (approx. 3 drops of 0.125 mg/mL solution) | Every 4 hours as needed | Must be prescribed and monitored by a healthcare professional. Do not exceed 6 doses in 24 hours. |
| 5-7 kg | 0.075 mL (approx. 4 drops of 0.125 mg/mL solution) | Every 4 hours as needed | Do not exceed 6 doses in 24 hours. Use calibrated dropper. |
| 8-10 kg | 0.1 mL to 0.125 mL (approx. 5 to 6 drops of 0.125 mg/mL solution) | Every 4 hours as needed | Do not exceed 6 doses in 24 hours. |
| 11-15 kg | 0.15 mL to 0.175 mL (approx. 7 to 8 drops of 0.125 mg/mL solution) | Every 4 hours as needed | Do not exceed 6 doses in 24 hours. |
| 16-20 kg | 0.2 mL to 0.25 mL (approx. 10 to 12 drops of 0.125 mg/mL solution) | Every 4 hours as needed | Do not exceed 6 doses in 24 hours. |
Formulation
Sublingual TabletExtended-Release TabletOral DropsElixir
Purpose
Used to treat various stomach and intestinal disorders such as irritable bowel syndrome (IBS), peptic ulcers, and spasms in the digestive tract or bladder.
Generic Name
Hyoscyamine sulfateScheduled Drug
No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.