Yes and it can cause all sorts of problems including rhabdomyolosis and renal failure. go to Google and type in Doxylamine succinate overdose.
The maximum safe dosage for the average adult is 325mg.
according to Allergen Gel product Lable, the maximum daily dose would be 7.2mg/day
You should take same amount. Effectivity of succinate vs. tartrate is within 90% of each other. Don't change the dose.
maximum daily dose for a drug product is calculated based on clinical studies. To know a max. daily dose we can refer medsafe website. Generally this website is reliable.
54mg
The maximum dose, accepted by most physicians, is 80 mg/day.
One or two capsules twice daily, as needed. Maximum daily dose 4
600mg
100 mg
The maximum daily dose for anyone taking primidone usually is not greater than 2000 mg.
4000 units in patients with insulin antibodies
The dose may be increased by a maximum of 600 mg/day at approximately weekly intervals; the recommended daily dose is 1200 mg/day.