I got a slight injury on the corner of my head and...

What is the Treatment of Headache ?
Do clinical assessment in the nearest medical center as your doctor have to exclude bleeding inside the skull cavity or serious conidtions and if the tests were negative for and serious condition you have to eat balanced healthy diet contain all essential nutrients to body and to sleep well and regularly with enough rest . You should take analgesics as prescribed by your treating doctor such as Panadol .
What are the investigation required ?

• Physical examination
• Complete blood count
• Ct Brain for bleeding inside the brain or fracutre 

What are the symptoms that require medical attention ?

• Severe headache 
• repeated vomiting
• Drowsiness
• Dizziness
• Blurred vision
• Rapid heart beats
• Fast breathing