Explain and give an example for each of the following:
Off-label

Extra-label

Explanation:

Off-label use is considering the use of prescripted pharmaceutical drugs or over-the-counter drugs. Examples are pharmaceutical drugs called Prazosin, Memantine, Clonidine, Naltrexone, Clomiphene, and more.

Extra-label use is considering the use of approved drugs. Examples are Chloramphenicol, Diethylstilbestrol, Ipronidazole, Clenbuterol, and more.

these are common warning signs of overtraining syndrome:

washed-out feeling, tired, drained, lack of energy

mild leg soreness, general aches, and pains

pain in muscles and joints

sudden drop in performance

insomnia

headaches

decreased immunity (increased number of colds, and sore throats)

decrease in training capacity/intensity

moodiness and irritability

depression

loss of enthusiasm for the sport

decreased appetite

increased incidence of injuries.

a compulsive need to exercise