What will happen if you overdose on allergy medicine?

It depends on the . Specific type of medicine and the amount of the overdose. Are you considering taking an overdose? Are you considering suicide as an option? You can call the national suicide hotlines 24/7 at 1-800-suicide (1-800-784-2433) or 1-800-273 – talk (1-800-273-8255). For active suicide thoughts with a strong urge please be seen at your nearest er. Follow on psychological/ psychiatric care is important.