Iron and antacid (like magnesium hydroxide and aluminium hydroxide) may bind to Doxyjack Capsule 10's in the gastrointestinal tract, lowering its efficiency. So, a gap of at least 2 hours should be maintained between intake of Doxyjack Capsule 10's and iron supplements and antacids. Prolonged use of Doxyjack Capsule 10's during tooth development (last half of pregnancy, infancy, and childhood to the age of 8 years) may cause permanent discolouration of the teeth (yellow-grey-brown). Besides this, in some cases, the use of Doxyjack Capsule 10's causes antibiotic-associated diarrhoea. Doxyjack Capsule 10's may cause sensitive skin to sunlight and ultraviolet rays, causing an exaggerated sunburn reaction. Hence it is advisable to apply sunscreen before going outside. Its use has also been associated with an increased risk of fungal skin infections like (vaginal candidiasis - thrush). Tetracycline and Doxyjack Capsule 10's can form a stable calcium complex in bone-forming tissue, thereby affecting the growth of fibula bones in young children and bone development in the foetus. Using a Doxyjack Capsule 10's with isotretinoin should be avoided as it has been reported to cause pseudotumor cerebri (increased pressure inside the brain). Long-term use of Doxyjack Capsule 10's may affect your blood, kidney, and liver health, so yearly diagnostics test of these parameters is recommended. Doxyjack Capsule 10's does not completely prevent malaria caused by P. falciparum as a Doxyjack Capsule 10's is given only for the prophylactic regimen (protection) whenever anyone enters a malaria-prone area.

Drug-Drug Interactions: Doxyjack Capsule 10's is contraindicated in persons who have shown hypersensitivity to any of the tetracycline or penicillin, retinoid medications taken by mouth (such as acitretin, isotretinoin), blood thinners (such as warfarin), heart disease medicine (digoxin), anti-seizure medications (such as phenytoin, carbamazepine), antacids (especially those containing aluminium, calcium, or magnesium, bismuth subsalicylate), iron supplements, and oral birth control pills. 

Drug-Food Interactions: Food containing calcium and iron should be avoided within 2 hours of Doxyjack Capsule 10's as it may affect Doxyjack Capsule 10's effectiveness. Avoid alcohol intake as it may lead to drowsiness and affect Doxyjack Capsule 10's absorption.

Drug-Disease Interactions: Doxyjack Capsule 10's should not be given to people with kidney problems, liver problems, swollen food pipe (esophagitis), lupus disease (an autoimmune disease), muscle disease (myasthenia gravis).

• It would be best to take probiotics after taking the full course of Doxyjack Capsule 10's to restore some healthy bacteria in the intestine that may have been killed. Taking probiotics after antibiotic treatment can reduce the risk of antibiotic-associated diarrhoea. Certain fermented foods like yoghurt, cheese, sauerkraut and kimchi can help restore the intestine's good bacteria.
• Include more fibre-enriched food in your diet, as it can be easily digested by gut bacteria which helps stimulate their growth. Thus fibre foods may help restore healthy gut bacteria after taking a course of antibiotics. Whole grains like whole-grain bread, and brown rice, should be included in your diet.
• Avoid taking too much calcium enriched foods and drinks as it might affect the working of Doxyjack Capsule 10's.
• Avoid intake of alcoholic beverages with Doxyjack Capsule 10's as it can make you dehydrated and affect your sleep. This can make it harder for your body to aid the Doxyjack Capsule 10's in fighting off infections.

• Doxyjack Capsule 10's is preferably taken empty stomach or 1-2 hours before meals but it can lead to stomach upset. To avoid this, you may take Doxyjack Capsule 10's with meals but ensure you drink plenty of water to keep yourself hydrated.
• To prevent throat irritation take Doxyjack Capsule 10's in an upright position. Do not lie down for at least 30 minutes of taking it. 
• Even if you feel better after taking Doxyjack Capsule 10's, do not stop taking it until your doctor says so. This might cause the symptoms to reappear and will make the infection difficult to treat due to antibiotic resistance.
• Doxyjack Capsule 10's can affect growing teeth, so it should be avoided during pregnancy and in children less than 8 years old.
• Doxyjack Capsule 10's should not be consumed beyond its expiry date as after that it breaks down into harmful chemicals which can damage the kidney.
• Make sure you drink plenty of fluids when you are sick. This will in general help you clear out the infection faster, protect you from dehydration, and will help you overcome some unpleasant side effects of taking Doxyjack Capsule 10's.
• Wear sunglasses and sunscreen when you go out in the sun as Doxyjack Capsule 10's can make your skin sensitive to light.