Ordinary low pressure systems typically interact when they're 1,200 miles or less from meeting. Tropical cyclones and hurricanes can interact whenever the distance between them is under 900 miles. This can happen when they form very near to each other or are steered on an intersecting path by upper level winds.
Banadryl consists of diphenhydramine and it tend to increase heart rate. So there is no serious risk of decrease in heart rate with Banadryl. Melatonin is comparatively safe drug still it may decrease BP to some extent.Over all Benadryl will not decrease your heart rate or pulse. You can take it.anadryl consists of diphenhydramine and it tend to increase heart rate. So there is no serious risk of decrease in heart rate with Banadryl. Melatonin is comparatively safe drug still it may decrease BP to some extent.
50mg is the maximum dose for a human adult. It takes a lot of Benadryl to be lethal. However, symptoms of a Benadryl overdose include extreme sleepiness, confusion, weakness, ringing in the ears, blurred vision, large pupils, dry mouth, flushing, fever, shaking, insomnia, hallucinations, and possibly seizures.. More information can be found at http://www.drugs.com/diphenhydra...