It seems from the history that you are diagnosed with migraine
and on treatment with inderal
10 mg, actopam 10 mg..
Migraine is known to decrease in severity and resolve completely as the age increases even without treatment. However migraine will decrease in severity with prophylaxis by drugs like inderal 10 mg which you have been taking.
The precautions to be taken are to avoid the exciting factors if you can identify in your case, like few individuals will have migraine attack on exposure to sound, some may show migraine attack due to lack of sleep and so many...
If you can find out the cause precipitating the attack of migraine try to avoid them.