Mommies I need your advise on this! My son is 8 months he has this bad cough, & wont sleep all…

Mommies I need your advise on this! My son is 8 months he has this bad cough, & wont sleep all night, he try's to drink his bottle but after his second zip he throws it aside & wont stop crying what can I give him or what can I do?! Help please! 😣😒