 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  are infected, scarred or swollen. Learn how to store and discard medical supplies safely. To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose and dosing interval. Follow your doctor's instructions carefully. It is important to receive this medication regularly to get the most benefit from it. It may help to mark your calendar with a reminder. Keep all your medical and lab appointments.The side effects of HyQvia Subcutaneous: See also Warning section. Redness, warmth, pain, swelling, or itching at the injection site may occur. Headache may also occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: fast heartbeat, unusual tiredness, yellowing eyes/skin, dark urine, signs of kidney problems (such as change in the amount of urine). Treatment with this medication may rarely cause a serious swelling of the brain (aseptic meningitis syndrome) several hours </s>