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.
What is Benadryl? Benadryl is an antihistamine. Diphenhydramine blocks the effects of the naturally occurring chemical histamine in the body. Benadryl is used to treat sneezing; runny nose; itching, watery eyes; hives; rashes; itching; and other symptoms of allergies and the common cold. Benadryl is also used to suppress coughs, to treat motion sickness, to induce sleep, and to treat mild forms of Parkinson's disease.