Covid doesn't pose a threat to most people, that's why it's mortality rate is less than 1%. But Ivermectin is a very cheap and very safe drug. If there's any anti-viral benefit to it, no matter how small, it makes sense to use it.
According to the Mayo Clinic, these are the possible side effects from oral Ivermectin:
Side Effects
Drug information provided by: IBM Micromedex
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur,
if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
More common
Difficulty in moving
muscle pain or stiffness
pain in the joints
swollen, painful, or tender lymph glands in the armpit
Less common
Black, tarry stools
bloating or swelling of the face, arms, hands, lower legs, or feet
chest pain
chills
cold sweats
cough
dizziness or lightheadedness
dizziness, faintness, or lightheadedness when getting up from lying or sitting position
eye or eyelid irritation, pain, redness, or swelling
fast, pounding, or irregular heartbeat or pulse
feeling of constant movement of self or surroundings
fever
painful or difficult urination
rapid weight gain
sensation of spinning
shakiness in the legs, arms, hands, or feet
sore throat
sores, ulcers, or white spots on the lips or in the mouth
swollen glands
tingling of the hands or feet
trembling or shaking of the hands or feet
trouble breathing
unusual bleeding or bruising
unusual sleepiness
unusual tiredness or weakness
unusual weight gain or loss
Rare
Agitation
back pain
bloody eye
blurred vision
change in consciousness
confusion
decreased awareness or responsiveness
difficulty in standing or walking
hallucinations
headache
irritability
loss of bladder control
loss of bowel control
loss of consciousness
mood or mental changes
redness of the eye
seizures
stiff neck
unusual dullness or feeling of sluggishness
vomiting
Incidence not known
Blistering, peeling, or loosening of the skin
burning, dry, or itching eyes
change in consciousness
confusion about identity, place, and time
dark urine
diarrhea
discharge, excessive tearing
light-colored stools
loss of consciousness
red skin lesion often with a purple center
sensitivity of the eye to light
swelling of the eyelids
tearing
upper right abdominal or stomach pain
yellow eyes and skin
Get emergency help immediately if any of the following symptoms of overdose occur:Symptoms of overdose
Confusion about identity, place, and time
decreased awareness or responsiveness
severe sleepiness
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Less common
Constipation
lack or loss of strength
loss of appetite
stomach pain
swelling or puffiness of the face
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Ivermectin is not approved by the FDA for the treatment of any viral infection.