The pain is left side of my stomach

What is the treatment of Stomach pain ?
Treatment of Stomach pain depends on the cause , so you need to do few tests in the nearest medical center for clinical assessment and for lab tests to reach the diagnosis and treat it accordingly .
Your doctor will prescribe medications such as antispasmodic such as scobutyl to relieve abdominal colic and proton pumb inhibitors for burning sesnation and gastritis or triple therapy for Helicobacter pylori infection .
What are the causes of Stomach pain ?
There are many causes for Stomach pain , which include

• Gastritis
• Irritable bowel syndrome
• H-pylori infection
• Colon disease
• Ulcerative colitis
• Appenicitis
• Other causes

What are the tests needed for Stomach pain ?

• Clinical assessment
• Complete blood count 
• Stool Analysis
• Ultrasound
• Other tests such as endoscope

What to do at the moment ?
You have to do the previous tests for clinical assessment and evaluation .