Glonoine, belladonna, Natrum muriaticum.. combined in potency 30, taken before leaving the house. By the grace of God, this will protect a person from heat stroke the whole day…In addition Cocculus is useful in the treatment of headache secondary to heat exposure, like Belladonna and Glonoine..Natrum Carb plays a prominent role in the treatment of bad aftereffects of heatstroke. Sometimes, after a heatstroke, nasal catarrh starts dripping in to the throat and becomes a permanent menace (Post-nasal drip). For this condition, Natrum Carb is very useful.It is also very effective against bouts of headache and sensitivity to heat.